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11386220 = 2254712113
BaseRepresentation
bin101011011011…
…110101101100
3210102110221212
4223123311230
510403324340
61044013552
7165531656
oct53336554
923373855
1011386220
1164776aa
1239912b8
132488811
1417256d6
15eeda65
hexadbd6c

11386220 has 24 divisors (see below), whose sum is σ = 24421824. Its totient is φ = 4457216.

The previous prime is 11386213. The next prime is 11386223. The reversal of 11386220 is 2268311.

It is a nialpdrome in base 15.

It is not an unprimeable number, because it can be changed into a prime (11386223) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5117 + ... + 6996.

It is an arithmetic number, because the mean of its divisors is an integer number (1017576).

Almost surely, 211386220 is an apocalyptic number.

11386220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11386220 is an abundant number, since it is smaller than the sum of its proper divisors (13035604).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11386220 is a wasteful number, since it uses less digits than its factorization.

11386220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12169 (or 12167 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 23.

The square root of 11386220 is about 3374.3473443023. The cubic root of 11386220 is about 224.9709921451.

The spelling of 11386220 in words is "eleven million, three hundred eighty-six thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 47 94 188 235 470 940 12113 24226 48452 60565 121130 242260 569311 1138622 2277244 2846555 5693110 11386220